Re: [PATCH 2/3] Drivers: hv: vmbus: introduce vmbus_acpi_remove

2015-01-23 Thread Vitaly Kuznetsov
uan Cui >> Subject: [PATCH 2/3] Drivers: hv: vmbus: introduce vmbus_acpi_remove >> >> In case we do request_resource() in vmbus_acpi_add() we need to tear it >> down to be able to load the driver again. Otherwise the following crash in >> oberved when hv_vmbus

RE: [PATCH 2/3] Drivers: hv: vmbus: introduce vmbus_acpi_remove

2015-01-22 Thread KY Srinivasan
> -Original Message- > From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] > Sent: Wednesday, January 21, 2015 11:02 AM > To: KY Srinivasan; de...@linuxdriverproject.org > Cc: Haiyang Zhang; linux-ker...@vger.kernel.org; Dexuan Cui > Subject: [PATCH 2/3] Drivers: hv

[PATCH 2/3] Drivers: hv: vmbus: introduce vmbus_acpi_remove

2015-01-21 Thread Vitaly Kuznetsov
In case we do request_resource() in vmbus_acpi_add() we need to tear it down to be able to load the driver again. Otherwise the following crash in oberved when hv_vmbus unload/load sequence is performed on Generation2 instance: [ 38.165701] BUG: unable to handle kernel paging request at